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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13052) Explain each region split policy
Date Tue, 17 Feb 2015 17:30:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14324510#comment-14324510
] 

Andrew Purtell commented on HBASE-13052:
----------------------------------------

I know of http://hortonworks.com/blog/apache-hbase-region-splitting-and-merging/ that discusses
splitting and merging and the different policy options. 

> Explain each region split policy
> --------------------------------
>
>                 Key: HBASE-13052
>                 URL: https://issues.apache.org/jira/browse/HBASE-13052
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Misty Stanley-Jones
>            Assignee: Misty Stanley-Jones
>         Attachments: HBASE-13052.patch
>
>
> {quote}
> there are five region split policies today so that let's add a section which explains:
> 1. How each policies work. We can start from current java doc:
> http://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/regionserver/KeyPrefixRegionSplitPolicy.html
> http://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/regionserver/DelimitedKeyPrefixRegionSplitPolicy.html
> http://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/regionserver/DisabledRegionSplitPolicy.html
> http://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html
> http://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html
> 2. How users can choose a good policy per their scenario basis
> 3. Pros and cons over each policies
> {quote}
> from [~daisuke.kobayashi]



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